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2,3-Migration in Rh(II)-Catalyzed Reactions of β-Trifluoroacetamido α-Diazocarbonyl Compounds

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journal contribution
posted on 20.07.2006, 00:00 by Feng Xu, Shiwei Zhang, Xiangnan Wu, Yu Liu, Weifeng Shi, Jianbo Wang
The hydroxy group was directly converted into the trifluoroacetamido group by reacting β-hydroxy-α-diazo carbonyl compounds with trifluoroacetimidoyl chloride in the presence of DBU. Rh(II)-catalyzed reactions of these diazo compounds gave 2,3-migration products in high yields.